for i in range(int(input())):
a, b = input().split()
n = len(a)
d = 0
for j in range(n):
d += ord(a[j]) - ord(b[j])
if d > 0:
print(f"Swapping letters to make {a} look like {b} earned {d} coins.")
elif d < 0:
print(f"Swapping letters to make {a} look like {b} cost {abs(d)} coins.")
else:
print(f"Swapping letters to make {a} look like {b} was FREE.")